colours spectrum

abstract abstraction advanced analog analysis analyzer backdrop background black colors colours decibels detected digital discovery display effect effects electronic equalizer experimentation frequencies frequency gamut gigahertz gradient graphic how illustration intensity know knowledge level light loud loudness measurement megahertz microwaves multi music observation perception phenomena pixels principle psychedelic radiation radiations rainbow range rays research saturated science sciences scientific sense senses signal signals sound spectrum tech technical technology temperature thermal thermic vibrant viewable visible visibles vivid wave wavelength wavelengths waves wheel